北京時間11月27日晚8點，大家期待已久的 iCANX Talks第三十三期即將重磅來襲，本次邀請了國內兩位頂尖學者為大家帶來最新科研成果。他們分別是來自來自南方科技大學的蔣興宇教授和中國科學院理化技術研究所的饒偉教授。蔣興宇教授將給大家介紹液態金屬-彈性聚合物微流控與柔性生物電子的最新進展。饒偉教授將為大家帶來柔性液態金屬材料的硬科技的精彩報告。
The highly expected iCANX TalksVol.33will be ceremoniously holedat 8:00 pm of November 27(Beijing time).This time, two top scholars were invited to bring you the latest scientific research reports. They areprofessor Xingyu Jiang from t the Southern University of Science and Technology and Wei Rao from Technical Institute of Physics and Chemistry, Chinese Academy of Sciences.Professor Xingyu Jiang will present the latest progress inliquid metal-based microfluidics for stretchable bioelectronics.The professor Wei Rao will bring you the latest research progress in flexible liquid metal materials based hard technology.
在前32期的iCANXTalks直播中，每一期都吸引了全球三十餘萬人觀看直播，累計收看觀眾已經近千萬人次，受到了國內外專家學者的普遍好評和追捧，目前，iCANX Talks已經成為極具國際影響力的高科技雲端學術峰會。
In the previous 32 weeks iCANX talks, it totally attracted close to 10 million audiences worldwide. iCANX has been highlighted by experts and audiences globally. Now, iCANX Talks already becomes a well-known and popular international high-tech online event.
話不多說，先讓小艾給大家詳細介紹兩位重磅嘉賓及演講內容吧！
Here comes the two abstracts & Bios of this Friday’s iCANX Talks!
Talk 1
Liquid Metal-based Microfluidics for Stretchable Bioelectronics
液態金屬-彈性聚合物微流控與柔性生物電子
Xingyu Jiang
蔣興宇
the Southern University of Science and Technology
南方科技大學
Abstract
Our interest in making stretchable bioelectronics stems from our work in microfluidic chips that allow many biomedical functions, such as diagnosis, screening/synthesis of therapeutics, as well as tissue engineering. Integrating liquid metal and elastic polymer-based microfluidic chips into stretchable electronic circuits, we find that these stretchable circuits can dramatically expand the capability of micro-/nano-scale structures in a variety of biomedical applications, such as biomedical sensing, tissue engineering, drug discovery and biological computing. For example, a fully stretchable blood oxygen sensor and a fully stretchable sweat detection device can be prepared by using liquid metal elastic polymer microfluidic devices. These new materials can also be used to prepare healable electronic blood vessels and vascular stents that allow gene therapy on targeted live tissues.
微流控是一個重要的新一代生物醫學技術，在疾病診斷、治療等領域越來越發揮重大作用。把液態金屬和用彈性高分子微流控晶片整合成柔性電子電路後，我們發現這些柔性電子電路可以在生物醫學傳感、組織工程、人用器官以及生物計算領域發揮非常大的作用。例如，使用液態金屬-彈性高分子微流控可以製備全柔性血氧傳感器、全柔性的汗液檢測裝置。還可以用這些新材料製備具有修復功能的電子血管和功能強大的血管支架來進行靶向基因治療。
Biography
Xingyu Jiang is a Chair Professor at the Southern University of Science and Technology, Shenzhen, China. He obtained his BS at the University of Chicago (1999) and PhD at Harvard University (Chemistry, 2004). In 2005, he joined the National Center for NanoScience and Technology/the University of the Chinese Academy of Sciences. He moved to the Southern University of Science and Technology in 2018. His research interests include microfluidics and nanomedicine. He was awarded the 「Hundred Talents Plan」 of the Chinese Academy of Sciences, the National Science Foundation of China’s Distinguished Young Scholars Award, the Scopus Young Researcher Gold Award, the Human Frontier Science Program Young Investigator Award. He is a Fellow of the Royal Society of Chemistry (UK) and American Institute of Medical and Biological Engineering. He has published over 300 peer-reviewed papers.
蔣興宇 教授 博士生 導師
南方科技大學
1999年獲得美國芝加哥大學化學學士，2004年於美國哈佛大學化學系取得博士學位，師從美國兩院院士George Whitesides教授。2005年開始任職於國家納米科學中心、中國科學院大學。2018 年開始任南方科技大學講席教授。蔣興宇研究員2010年獲 「國家傑出青年科學基金」， 還獲中組部「萬人計劃」拔尖青年、國務院政府特殊津貼、科技部「創新人才推進計劃」、科技部重點研發計劃（任首席科學家）、基金委重點項目、騰訊「科學探索獎」、中國化學會青年化學獎等。現在是美國醫學與生物工程學會(AIBME)與英國皇家化學會(RSC)會士。發表論文超過300篇。研究方向主要包括：微流控晶片和納米生物醫學。
Keywords
Liquid Metal液態金屬
Microfluidics微流控
Bioelectronics柔性生物電子
Chips晶片
Stretchable彈性
Talk 2
Flexible liquid metal materials based hard technology
柔性液態金屬材料的硬科技
Wei Rao
饒 偉
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
中國科學院理化技術研究所
Abstract
Room temperature liquid metals (LMs) have the advantages of both metal and fluid materials. LMs are a kind of rare multifunctional materials (typically, gallium based alloys). This kind of material has the properties of strong electrical conductivity, high thermal conductivity, and flexible solid-liquid transformation, and large-scale deformation at room temperature. Gallium based alloys have high surface tension and are easy to oxide, which greatly affects the physical and chemical properties of LMs both at the macro and micro scale. Revealing and regulation of the surface and interface characteristics of LMs play an important role in the fabrication of new materials, the improvement of material properties and expanding applications. We have made progress in a series of novel technologies by using modified liquid metal materials, especially in the fields of printing electronics, life health and flexible intelligent robots. This report will be introduced in three aspects:
1) The basic physical and chemical properties of gallium based liquid metal materials, and the challenges faced by the application of related materials;
2) Research on the liquid metal surface and interface, including interface characteristics regulation, conductivity and thermal conductivity enhancement, novel chemical reactions and biological characteristics, etc;
3) Current application status of flexible liquid metal materials.
室溫液態金屬材料同時具備金屬和流體材料的優勢，是一類罕見的多能性材料（典型的如鎵基合金）。這類材料具有導電性強、熱導率高等屬性，同時在室溫下還可以進行靈活的固液轉變及大尺度變形的特性。鎵基合金本身具有較大的表面張力，及在空氣下易於氧化的特性，大大影響了宏觀及微觀材料本身的物理化學特性。通過揭示及靈活調控GaIn合金的表界面特徵，對新材料的製備、材料物性的提升及應用功能的拓展，均起到重要的作用。我們利用表界面改性的液態金屬材料，取得了系列底層技術的突破，特別是在液態金屬印刷電子、生命健康及柔性智慧機器人等領域取得了原始創新。本次報告將從三方面進行介紹：
1）鎵基液態金屬材料的基礎物理化學特性，及相關材料應用面臨的挑戰；
2）液態金屬表界面行為特性及功能材料可控制備研究，包括界面特性調控、電導率及導熱率提升、新奇的化學反應及生物學特性等；
3）基於柔性液態金屬材料的前沿技術和應用現狀。
Biography
Wei Rao is a professor at the Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences (CAS). Dr. Rao’s research is highly interdisciplinary and covers the material science of liquid metal and micro/nanomaterials. She has published more than 70 papers in peer-reviewed journals such as ACS Nano, material horizon, materials science & Engineering R: reports. Among them, the average impact factor of 43 SCI papers published in the recent 5 years is > 8. In addition, she was one of the leading authors of a book entitled 「Advanced Low-cost Medical Technology」. Dr.Rao leads 12 national grants (including NSF, National Key R&D Project, etc.) since 2016.
Dr.Rao was the recipient of the "foreign talents" program by TIPC and the Beijing Youth Talent Support program. Dr.Rao’s team was awarded for the transfer of scientific and technological achievements. At present, Dr.Rao is deputy director of Key Laboratory of Cryogenic Engineering, Chinese Academy of Sciences, and a fellow of Beijing Refrigeration Society.
饒偉研究員就職於中國科學院理化技術研究所。長期從事液態金屬及微納米技術的交叉科學問題研究。近年連續在ACS Nano, Material Horizon, Materials Science & Engineering R: Reports等國內外學術刊物發表70多篇高水平期刊論文。其中，近5年發表的43篇SCI論文平均影響因子>8。曾作為主要作者主編《先進低成本醫療技術》著作。目前擔任Nature Communications, Advanced Materials, Advanced Functional Materials, ACS Nano等多個期刊特約審稿人。自2016年以來，主持國家自然科學基金、科技部重點研發計劃、北京市科委重大專項、軍委科技委項目等共12項。2016年獲中科院理化所「引進國外優秀人才」計劃，2018年獲得北京市青年人才託舉計劃。2019年所在團隊榮獲中科院北京分院中國科學院北京分院科技成果轉化獎特等獎。目前擔任中國科學院低溫工程學重點實驗室副主任，北京市製冷學會理事。
Keywords
Flexible柔性
Liquid Metal Materials液態金屬
Hard Technology硬科技
同時，本次講座也邀請了來自華中科技大學的吳志剛教授為大家帶來精彩的主持。